Samsung Gear S2 vs. Fitbit Charge 2 vs. Fitbit Zip vs. Casio WSD-F20A

 
Gear S2
Charge 2
Zip
WSD-F20A
 SamsungGear S2Remove Buy NowFitbitCharge 2Remove Buy NowFitbitZipRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$300$150$60$399
Release2015201620122018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days6 months1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/an/a320 x 320
Size1.2 inchesn/an/a1.32 inches
Touchn/a
TypeSuper AMOLEDOLEDn/aLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/aSplash Resistant5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/an/aWear OS
Apps
Music

All Wearables